Display screen or portion thereof with icon



FIG. 1 is a front view of a display screen or portion thereof with iconshowing my new design; and,

FIG. 2 is a front view of a second embodiment thereof.

The rectangular broken-line perimeter illustrates a display screen orportion thereof and forms no part of the claimed design. The remainingbroken lines illustrate portions of an icon and form no part of theclaimed design.

CLAIM The ornamental design for a display screen or portion thereof withicon, as shown and described.